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130220322 = 2345747491
BaseRepresentation
bin1111100001100…
…00000100100010
3100002000212200220
413300300010202
5231314022242
620531023510
73140566041
oct760600442
9302025626
10130220322
1167562501
123773ab96
1320c94b5b
141341a558
15b673bec
hex7c30122

130220322 has 16 divisors (see below), whose sum is σ = 261016032. Its totient is φ = 43310880.

The previous prime is 130220309. The next prime is 130220333. The reversal of 130220322 is 223022031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21004 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (16313502).

Almost surely, 2130220322 is an apocalyptic number.

130220322 is an abundant number, since it is smaller than the sum of its proper divisors (130795710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130220322 is a wasteful number, since it uses less digits than its factorization.

130220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47953.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130220322 is about 11411.4119196531. The cubic root of 130220322 is about 506.8657215521.

Adding to 130220322 its reverse (223022031), we get a palindrome (353242353).

The spelling of 130220322 in words is "one hundred thirty million, two hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 457 914 1371 2742 47491 94982 142473 284946 21703387 43406774 65110161 130220322